Im hoping we can get a big thread going here with all the constants.. Ive looked around for a while, and it makes me angry when i cant find them. Please only post once, and edit it if you get more. Ill list a few ive gotten:

Code:
Const MK_LBUTTON As Long = &H1
Const WM_SETTEXT = &HC
Const WM_DESTROY = &H2&
Const WM_GETTEXT = &HD
Const WM_QUIT As Long = &H12
Const WM_GETTEXTLENGTH = &HE
Const WM_LBUTTONDOWN = &H201&
Const WM_CLOSE = &H10
Const WM_CHAR As Long = &H102
Const WM_LBUTTONUP As Long = &H202
Const HWND_TOPMOST = -1
Const SWP_NOSIZE = &H1
Const SWP_NOMOVE = &H2
Const SWP_NOACTIVATE = &H10
Const SWP_SHOWWINDOW = &H40